154931420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1106653}}^1$

素因数の和:1106669

約数の個数: 24

約数和(自身を含む): 371835744

約数和(自身を除く): 216904324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1106653, 2213306, 4426612, 5533265, 7746571, 11066530, 15493142, 22133060, 30986284, 38732855, 77465710, 154931420]

約数ペア:

[(1, 154931420), (2, 77465710), (4, 38732855), (5, 30986284), (7, 22133060), (10, 15493142), (14, 11066530), (20, 7746571), (28, 5533265), (35, 4426612), (70, 2213306), (140, 1106653)]